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Did you know that Small Island Developing States (SIDS) were the first to champion the 1.5 degree goal? Rueanna Haynes, Legal Advisor at Climate Analytics, talks to the Climate Tracker about the importance of this goal to the Caribbean and other SIDS around the world.

A new analysis of the scientific and policy aspects of the 1.5°C temperature limit in the Paris Agreement’s long-term temperature goal has identified a number of important areas that require more scientific research.

A new analysis of the scientific and policy aspects of the 1.5°C temperature limit in the Paris Agreement’s long-term temperature goal has identified a number of important areas that require more scientific research.

The temperature goals established by the Paris climate agreement could affect the planet in dramatically different ways. Article about the findings in a recent paper by Climate Analytics' Carl Schleussner.

The inclusion of a 1.5℃ temperature limit in the new Paris climate agreement was a major victory for the poorest countries and island nations who came to Paris saying they wanted the world to act. Bill Hare tells the story of how we got 1.5˚C into the Paris agreement, and how "best available science" can take us there.

World leaders in Paris have agreed to cut their global warming target by an extra 0.5C to 1.5C. Carl-Friedrich Schleussner, a scientist who has worked on research for the IPCC, said this week: “The window for limiting warming to 1.5C is still open, but closing fast”.

The growing momentum behind 1.5 degrees is a story of fast-breaking science, savvy politics and a change in tone in the climate debate — one that has focused increasing attention on the needs of the most vulnerable countries. Article quoting Climate Analytics CEO Bill Hare and Science Director Michiel Schaeffer.

2015, December 10

Publications

A new analysis of the scientific and policy aspects of the 1.5°C temperature limit in the Paris Agreement’s long-term temperature goal has identified a number of important areas that require more scientific research.
The analysis, written by a team of scientists who have published key research papers on the science, impacts and policy aspects of the 1.5˚C limit, is a centrepiece of a collection by Nature Climate Change, Nature Geoscience and Nature on 'Targeting 1.5°C'

A new study analyses the differences in impacts the world would face at 1.5°C and 2°C in a comprehensive and comparable way for the first time. It finds that the increases in impacts between 1.5°C and 2°C are large, significant and pronounced for regions with limited adaptive capacity and high exposure.

This document provides briefing points and explains why initial and successive 5 year commitment periods for all Parties are a necessary element of the new agreement to help ensure that the 1.5/2°C goal is met, and how a 10-year commitment period would in fact fail to provide the long-term stability and certainty that Parties seek. It steps through evidence from scientific, economic, regulatory and political perspectives.

This document provides key points on risks to ecosystems, food security and sustainable development associated with 1.5°C warming. It also provides responses to arguments commonly made against 1.5°C and provides the scientific evidene for each point made.

This briefing note outlines the scientific conditions under which warming can be limited to well below 2°C over the 21st century, and return to below 1.5°C by 2100. It provides a scientific overview of the science on some critical mitigation technologies, like bioenergy, carbon capture and storage, and their combination – BECCS. It also contains counter arguments to claims that 1.5°C scenarios undermine food security through including large scale bioenergy deployment. The considerations in this briefing are based on the findings of the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR5), the 2014 UNEP Emissions Gap Report, the Report of the UNFCCC Structured Expert Dialogue (SED), as well as the recent scientific literature.

Robust appraisals of climate impacts at different levels of global-mean temperature increase are vital to guide assessments of dangerous anthropogenic interference with the climate system. The 2015 Paris Agreement includes a two-headed temperature goal: “holding the increase in the global average temperature to well below 2°C above pre-industrial levels and pursuing efforts to limit the temperature increase to 1.5°C.
This paper provides an assessment of key impacts of climate change at warming levels of 1.5°C and 2°C, including extreme weather events, water availability, agricultural yields, sea-level rise and risk of coral reef loss- The results reveal substantial differences in impacts between a 1.5°C and 2°C warming that are highly relevant for the assessment of dangerous anthropogenic interference with the climate system. This article has been accepted.

Implemented under a collaborative framework, this project is designed to provide specific analytical, scientific and strategic information and support to strengthen the capacity of Least Developed Countries (LDCs).
Project Period: 2011 - 2012

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